For over 50 years, Esbit® has been recognized as a safe and efficient solid fuel tablet that has been used the world over. The compact solid fuel tablets ,manufactured with a unique formulation, will provide a steady and reliable source of heat for cooking, boiling or to provide needed warmth in the outdoors. Esbit® is the ideal primary cooking system for day packers, mountain biking, snowmobiles, and cross country ski treks. It is the time proven perfect backup system for all outdoor adventures, as it will quickly enable you to engage a fire for cooking, safety or to immediately provide needed warmth in all weather conditions. 12 tabs same as the 6 that come with the stove. $.625/ tab. Each will boil 1 quart of water in less than 15 minutes